docs: def _get_rank(self, team):
          """
          Find the team's rank when applicable.
  
          If a team is ranked, it will showup in a separate <span> tag with the
          actual rank embedded between parentheses. When a team is ranked, the
          integer value representing their ranking should be returned. For teams
          that are not ranked, None should be returned.
  
          Parameters
          ----------
          team : PyQuery object
              A PyQuery object of a team's HTML tag in the boxscore.
  
          Returns
          -------
          int
              Returns an integer representing the team's ranking when applicable,
              or None if the team is not ranked.
          """
          rank = None
          rank_field = team('span[class="pollrank"]')
          if len(rank_field) > 0:
              rank = re.findall(r'\(\d+\)', str(rank_field))[0]
              rank = int(rank.replace('(', '').replace(')', ''))
          return rank